Oldcastle-buildingenvelope Signature Series Unit Wall User Manual download pdf (Page 11)

July 2013 10-Install-Starter-Sill 1-866-Oldcastle (653-2278) www.oldcastlebe.com

STARTER SILL CONDITION

1. INSTALL STARTER SILL

Locate starter sill per approved shop drawings. The starter sill must be level and straight. The starter

sill should run continuously across elevation, whenever the splicing is necessary, a min. 3/16" gap

should be left for proper seal in-between starter sills.

Install windload anchor lug at each mullion location, crimp the windload anchor lug in place on starter

sill. Install starter sill fasteners. Ensure fastener heads will not interfere with frame sill horizontals.

Seal over all fastener heads and tool sealant.

2. CHECK AND PROPERLY LOCATE PVC SPACERS

The 4" long V927 rigid PVC spacers should be pre-assembled on each starter sill. Three pieces of

PVC spacers are required per module. One should be located at center of the module, two other

pieces should be located at each mullion location.

3. PROPER SEAL AT STARTER SILL

Clean and prepare substrates for sealing per sealant manufacturer's recommendations. Apply backer

rod and perimeter seals under starter sill. Tool sealant. Apply sealant at splice joints. All splice joints

should be sealed from the drainage hole on the starter sill to the top of the upturned leg. Connect

sealant at underside of starter sill with sealant at splice joint. See illustration on p.11.

Apply sealant at outer surface for approximately 1" on each side of the joint as shown; set 1-1/2" wide

by 3" long silicone sheet on top of the silicone sealant.

SIGNATURE SERIES UNIT WALL INSTALLATION MANUAL

Ensure starter sill fixing bolt

will not interfere with frame

sill horizontals

Requires a min. 3/16" gap

at splice joint

for proper seal

The windload anchor lug

should be crimped in place

at every mullion location

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Oldcastle-buildingenvelope Signature Series Unit Wall User Manual Page 11